Re: [PATCH 11/13] dax, iomap: Add support for synchronous faults

To: Jan Kara <jack@xxxxxxx>
Subject: Re: [PATCH 11/13] dax, iomap: Add support for synchronous faults
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 24 Aug 2017 05:27:20 -0700
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, linux-nvdimm@xxxxxxxxxxxx, Andy Lutomirski <luto@xxxxxxxxxx>, linux-ext4@xxxxxxxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Boaz Harrosh <boazh@xxxxxxxxxx>
In-reply-to: <20170817160815.30466-12-jack@suse.cz>
References: <20170817160815.30466-1-jack@suse.cz> <20170817160815.30466-12-jack@suse.cz>
User-agent: Mutt/1.8.3 (2017-05-23)

Just curious:  how does IOMAP_F_NEEDDSYNC practically differ
from IOMAP_F_NEW?

Follow-Ups:
- Re: [PATCH 11/13] dax, iomap: Add support for synchronous faults
  - From: Jan Kara

References:
- [RFC PATCH 0/13 v2] dax, ext4: Synchronous page faults
  - From: Jan Kara
- [PATCH 11/13] dax, iomap: Add support for synchronous faults
  - From: Jan Kara